Calibre is an e-book management software. It provides a "one-stop" e-book solution that can fully meet the needs of e-books, and can even use it to organize its own e-library. It has more functions There are many kinds, not only can it be used for format conversion of books, categorize and organize e-books, but also add and convert text image materials and online content (RSS) into e-books. What's more, Calibre is free, open source, and has a cross-platform design. It can run in Linux, OS X and Windows operating systems. It is an e-book management artifact!
Calibre Download Pageļ¼https://bookfere.com/tools#calibre
Because the e-book format supported by the Kindle reader is limited, in addition to support for mobi and its own formats azw and azw3, some other e-book formats (such as the epub format that is quite popular on the Internet) are not supported. This requires the Convert these formats that Kindle does not support. Using Calibre to convert e-books is very convenient. The steps are as follows:
Download and install Calibre and open it. Click the "Add Book" icon in the upper left corner to add the eBook you want to convert to the library (you can also drag and drop the eBook directly into the library).
Select one or more e-books, click the right mouse button, and position the mouse to the "Convert Books" item in the pop-up menu. A submenu will pop up, with "Convert One by One" and "Batch Conversion" options. If multiple files are selected, using "Convert One by One" requires separate settings for each book. For example, you can set different formats for different e-books; and "Batch Conversion" is a common setting for all e-books. Please choose according to your needs.
Calibre supports conversion formats: EPUB, MOBI, AZW3, DOCX, FB2, HTMLZ, LIT, LRF, PDB, PDF, PMIZ, RB, RTF, SNB, TCR, TXT, TXTZ, ZIP.
If you select "Convert one by one", a setting dialog box will pop up for each e-book. You can set the output format and metadata of the e-book (including the basic information such as the title, cover, and author). , "Interface appearance (including font size, embedded font, line height and other content format settings)", "Smart processing", "Page setup", "Structure detection", "Content directory", "Find and replace", "EPUB Output "and" Debug "items for detailed settings. If "Batch Conversion" is selected, you cannot batch modify their "Metadata" and use the "Debug" function.
After all conversion settings are completed, click the "OK" button to start converting the format. During the conversion process, there will be "Task: **" and a rotating chrysanthemum icon in the lower right corner of the main page. Clicking on them will pop up a task list box, where you can view the status of the conversion and single or multiple tasks Perform operations such as suspension and hiding.
When the number after "Task" in the lower right corner becomes "0", it means that all conversion tasks have been completed. Right-click on the book and click "Open Directory" in the menu to go to the default folder for storage and find the e-book that has been converted. If you don't want to open the directory where the e-books are located one by one, you can select multiple e-books, right-click in the pop-up menu to position the mouse to "Save to Disk", and select "Save to Disk Single Directory" in the pop-up submenu , Select a directory in the pop-up dialog box, you can put them in a folder.